Home / 49,011,880.20-73,517,820.30-42,209,435.40

Finding the Fourth Proportional to 49,011,880.20, 73,517,820.30 and 42,209,435.40

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Solution

The fourth proportional to 49,011,880.20, 73,517,820.30 and 42,209,435.40 is: 63,314,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,011,880.20 : 73,517,820.30 = 42,209,435.40 : x
  2. Step 2: Convert to fraction form
    49,011,880.20/73,517,820.30 = 42,209,435.40/x
  3. Step 3: Cross multiply
    49,011,880.20x = 73,517,820.30 × 42,209,435.40
  4. Step 4: Simplify right side
    49,011,880.20x = 3,103,145,686,701,658.50
  5. Step 5: Solve for x
    x = 3,103,145,686,701,658.50/49,011,880.20
  6. Step 6: Final answer
    x = 63,314,153.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.